An anonymous path routing (APR) protocol for wireless sensor networks

Jehn Ruey Jiang, Jang Ping Sheu, Ching Tu, Jih Wei Wu

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


How to secure data communication is an important problem in wireless sensor networks (WSNs). General solutions to the problem are to encrypt the packet payload with symmetric keys. But those solutions only prevent the packet content from being snooped or tampered. Adversaries still can learn of network topology by the traffic analysis attack for starting devastating attacks such as the denial-of-service attack and the like. In this paper, we propose an anonymous path routing (APR) protocol for WSNs. In APR, data are encrypted by pair-wise keys and transmitted with anonyms between neighboring sensor nodes and anonyms between the source and destination nodes of a multi-hop communication path. The encryption prevents adversaries from disclosing the data, and the anonymous communication prevents adversaries from observing the relation of the packets for further attacks. We implement APR on the MICAz platform to evaluate its overheads for demonstrating its applicability in practical WSNs.

Original languageEnglish
Pages (from-to)657-680
Number of pages24
JournalJournal of Information Science and Engineering
Issue number2
StatePublished - Mar 2011


  • Anonymous routing
  • Network security
  • Pair-wise key
  • Symmetric cryptography
  • Wireless sensor networks


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